15142421 is an odd 8-digits composite number following 15142420
and preceding 15142422 . In scientific notation, it is written as 1.5142421 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 12841920 positive integers (up to 15142421) that are relatively prime to 15142421.
15142421 has 16 divisors, whose sum is 17846400
The reverse of 15142421 is 12424151
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
fifteen million one hundred forty-two thousand four hundred twenty-one
Scientific notation
1.5142421 × 10^7
Engineering notation
1.5142421 × 10^6
Prime Factorization
7 × 49 × 131 × 337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15142421
Product of the distinct prime numbers
The prime factorization of 15142421 is 7 × 49 × 131 × 337.
Since it has a total of 4 prime factors.
5 , 7 , 1 , 54 , 485 , 711 , 5707 , 6254 , 63633 , 96773 , 956217 , 403886 , 4388241 , 3080573 , 63346726 , 38672818 , 281864463 , 902215676 , 6601076787 , 8676406769
n×2
30284842
n×3
45427263
n×4
60569684
n×5
75712105
n÷2
7571210.5
n÷3
5047473.6666667
n÷3
3785605.25
n÷5
3028484.2
n2
229292913741241
n3
3.4720498321866E+21
n4
5.2575240291948E+28
n5
7.9611642267684E+35
2 √n
3891.3263805546
3 √n
247.39928425999
4 √n
62.380496796311
5 √n
27.292232561328
1 , 7 , 49 , 131 , 337 , 343 , 917 , 2359 , 6419 , 16513 , 44147 , 44933 , 115591 , 309029 , 2163203 , 15142421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15142420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15142421 can be divided by 16 positive divisors.
The sum of these divisors (counting 15142421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001110000111000010101
3
Ternary
1001111022111102
4
Quaternary
321300320111
5
Quinary
12334024141
6
Senary
1300315445
8
Octal
71607025
10
Decimal
15142421
12
Duodecimal
50a2b85
16
Hexadecimal
e70e15
20
Vigesimal
4ecg11
36
Base36
90jyt
md5
55e38814c423c12e364cfed535318dc1
sha1
55839209659363431ce1a6ee5899103b57f4edab
sha256
47493cb5672e6940baa2cffdf72fe68b236b9b7f0beaca9c4231d1402979f281
sha512
0109a8e72f0cb913d6d4ae04e7e6303de33e9b5045aa42850878b1e4f75ad994db7c030d54c88c14cc8e7d8ca7dfc66b63d1482c9c0d01260752d66d15aede54
ripemd-160
b6578458912c15e885279161d4149e6460a54831
Diameter
30284842
Circumference
95142637.142328
Area
7.2034493332968E+14
Volume
1.4543688327593E+22
Surface area
2.8813797333187E+15
Circumference
95142637.142328
Perimeter
60569684
Area
229292913741241
Diagonal
21414617.145363
Surface area
1375757482447446
Volume
3.4720498321866E+21
Space diagonal
26227442.521598
Perimeter
45427263
Area
99286744103834
Altitude
13113721.260799
Surface area
99286744103834
Volume
4.0918499682612E+20
Height
7138205.7151211